{"Name":"3-Hydroxyisobutyric aciduria","DiseaseID__c":"GARD:0005662","id":5662,"encodedName":"3-hydroxyisobutyric-aciduria","IsDeleted":false,"Disease_Name_Full__c":"3-Hydroxyisobutyric aciduria","Xref_IDs__c":"237957007; C0342737; C535312; MEDGEN:90996; MONDO:0009371; OMIM:236795; ORPHA:939","USA_Estimate__c":"1,000","No_of_Specialist_Tagsa__c":2,"No_of_ClinGen_records__c":0,"No_of_GeneReviews__c":0,"No_of_HHS_records__c":0,"World_Estimate__c":"1 to 8,000","No_of_HRSA_records__c":0,"Evidence_Based_Score__c":0,"No_of_Disease_Descriptions__c":3,"Disease_Characteristics_Score__c":7,"No_of_Age_at_Onset__c":2,"Description_Source__c":"MONDO:0009371","Disease_Description__c":"A rare classic organic aciduria characterized by tissue accumulation and elevation of urinary excretion of 3-hydroxyisobutyric acid. The clinical phenotype ranges from recurrent mild episodes of vomiting with normal cognitive development, to massive acidosis, seizures, and failure to thrive with profound intellectual disability and early death. Dysmorphic craniofacial features (such as microcephaly, triangular face, short, sloping forehead, long, prominent philtrum, and micrognathia) and variable cerebral anomalies have also been described.","GARD_Name__c":"3-Hydroxyisobutyric aciduria","GARD_Synonym__c":null,"Curated_Disease_Description_Source__c":"GARD:0005662","Curated_Disease_Description__c":"3-Hydroxyisobutyric aciduria is a rare metabolic condition in which the body is unable to breakdown certain amino acids (the building blocks of protein). This leads to a toxic buildup of particular acids known as organic acids in the blood (organic acidemia), tissues and urine (organic aciduria). Signs and symptoms of 3-Hydroxyisobutyric aciduria include developmental delay, characteristic facial features and brain abnormalities. The exact underlying cause is not well understood. Some cases may be caused by changes in the ALDH6A1 gene and inherited in an autosomal recessive manner.","Curated_USA_Estimate_Source__c":null,"Curated_USA_Estimate__c":"1,000","Age_at_Onset_Snippet_Text__c":"during Pregnancy and as a Newborn","SourceID__c":"ORPHA:939","Deprecated__c":"No","Disease_Concept_Type__c":"Rare Disease Entity","MONDO_ID__c":"MONDO:0009371","ORPHANET_ID__c":"ORPHA:939","Replaced_By_ID__c":null,"Display_Spanish_Disease_Name__c":"Aciduria 3 hidroxi-isobutírica","Spanish_Description_Source__c":"ORPHA:939","Spanish_Description__c":"Es una aciduria orgánica clásica poco frecuente caracterizada por el acúmulo tisular y el aumento de la excreción urinaria de ácido 3-hidroxiisobutírico. El fenotipo clínico varía desde leves episodios recurrentes de vómitos con un desarrollo cognitivo normal hasta acidosis masiva, crisis epilépticas y fallo de medro con grave discapacidad intelectual y muerte prematura. También se ha descrito rasgos craneofaciales dismórficos (como microcefalia, cara triangular, frente inclinada y estrecha, filtrum largo y prominente y micrognatia), así como anomalías cerebrales variables.","Spanish_Disease_Name__c":"aciduria 3 hidroxi-isobutírica","Spanish_GARD_Synonym__c":null,"Category_Linearization__c":"ORPHA:68367","icd10_id__c":null,"mesh_id__c":null,"omim_id__c":null,"snomed_id__c":null,"umls_id__c":null,"GARD_Disease__c":[{"Curated_Disease_Description__c":"3-Hydroxyisobutyric aciduria is a rare metabolic condition in which the body is unable to breakdown certain amino acids (the building blocks of protein). This leads to a toxic buildup of particular acids known as organic acids in the blood (organic acidemia), tissues and urine (organic aciduria). Signs and symptoms of 3-Hydroxyisobutyric aciduria include developmental delay, characteristic facial features and brain abnormalities. The exact underlying cause is not well understood. Some cases may be caused by changes in the ALDH6A1 gene and inherited in an autosomal recessive manner.","Curated_Disease_Description_Source__c":"GARD:0005662","Name":"3-Hydroxyisobutyric aciduria","Curated_USA_Estimate__c":"1,000","estimateUsa":"1,000"}],"Organization_Supported_Diseases__c":[{"Account_Name__c":"Organic Acidemia Association","Website__c":"https://oaanews.org/"}],"GARD_Disease_Tag__c":[{"Tag_Name__c":"Genetics","Tag_Category__c":"Cause;Disease Category;Specialist","category_description":"Genetic diseases affect the DNA, or genetic instructions, which directs how tissues, organs, and body systems function.","curated_tag_name":"Genetic diseases"},{"Tag_Name__c":"Inborn Errors of Metabolism","Tag_Category__c":"Cause;Disease Category","category_description":"Inherited metabolic diseases, or inborn errors of metabolism, are a group of genetic diseases that affect the ability of the body's cells to convert food into energy.","curated_tag_name":"Inherited metabolic diseases"},{"Tag_Name__c":"Pediatrics","Tag_Category__c":"Specialist"}],"Age_At_Onset__c":[{"Age_At_Onset__c":"Antenatal","Provided_By__c":"ORPHA:939"},{"Age_At_Onset__c":"Neonatal","Provided_By__c":"ORPHA:939"}],"Diagnosis__c":[{"Type__c":"GTR","Curie__c":"MEDGEN:C0342737"}],"External_Identifier_Disease__c":[{"URL__c":"https://www.orpha.net/en/disease/detail/939","Source__c":"C0342737; MONDO:0009371; ORPHA:939","Xref__c":"ORPHA:939"},{"URL__c":"https://www.ncbi.nlm.nih.gov/mesh/C535312","Source__c":"MONDO:0009371","Xref__c":"C535312"},{"URL__c":"https://www.omim.org/entry/236795","Source__c":"C0342737; MONDO:0009371; ORPHA:939","Xref__c":"OMIM:236795"},{"URL__c":"https://www.ncbi.nlm.nih.gov/medgen/?term=90996","Source__c":"C0342737","Xref__c":"MEDGEN:90996"},{"URL__c":"https://browser.ihtsdotools.org/?perspective=full&conceptId1=237957007","Source__c":"C0342737; MONDO:0009371","Xref__c":"237957007"},{"URL__c":"https://uts.nlm.nih.gov/uts/umls/concept/C0342737","Source__c":"C0342737","Xref__c":"C0342737"},{"URL__c":"http://purl.obolibrary.org/obo/MONDO_0009371","Source__c":"GARD:0005662","Xref__c":"MONDO:0009371"}],"Inheritance__c":["Autosomal recessive"],"GARD_Disease_Feature__c":[{"Provided_By__c":"ORPHA:939","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Atrophy of the cortex of the cerebrum.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002120","HPO_Synonym__c":"Cerebral cortex atrophy; Cortical atrophy; Decrease in size of the outer layer of the brain due to loss of brain cells","HPO_Name__c":"Cerebral cortical atrophy","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:939","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Developmental hypoplasia of the mandible.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000347","HPO_Synonym__c":"Decreased size of lower jaw; Decreased size of mandible; Hypoplasia of lower jaw; Hypoplasia of mandible; Hypoplastic mandible; Hypoplastic mandible condyle; Hypotrophic lower jaw; Hypotrophic mandible; Little lower jaw; Little mandible; Lower jaw deficiency; Lower jaw hypoplasia; Mandibular deficiency; Mandibular hypoplasia; Mandibular micrognathia; Micrognathia of lower jaw; Micromandible; Robin mandible; Severe hypoplasia of mandible; Small jaw; Small lower jaw; Small mandible; Underdevelopment of lower jaw; Underdevelopment of mandible","HPO_Name__c":"Micrognathia","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:939","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Facial contour, as viewed from the front, triangular in shape, with breadth at the temples and tapering to a narrow chin.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000325","HPO_Synonym__c":"Face with broad temples and narrow chin; Inverted triangular face; Triangular face; Triangular facial shape; Triangular facies","HPO_Name__c":"Triangular face","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:939","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"An abnormal restriction of fetal growth with fetal weight below the tenth percentile for gestational age.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001511","HPO_Synonym__c":"Fetal growth restriction; FGR; In utero growth retardation; Intrauterine growth failure; Intrauterine growth restriction; Intrauterine growth retardation, IUGR; Intrauterine retardation; IUGR; Prenatal growth deficiency; Prenatal growth failure; Prenatal growth retardation; Prenatal onset growth retardation; Prenatal-onset growth retardation; Small for gestational age infant","HPO_Name__c":"Intrauterine growth retardation","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:939","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Absence or underdevelopment of the corpus callosum.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0007370","HPO_Synonym__c":"Absent/hypoplastic corpus callosum; Agenesis/hypoplastic corpus callosum; Complete or partial absence of the corpus callosum; Hypoplasia or absence of the corpus callosum; Hypoplastic or absent corpus callosum","HPO_Name__c":"Aplasia/Hypoplasia of the corpus callosum","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:939","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"An increase in size of the ventricular system of the brain.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002119","HPO_Synonym__c":"Cerebral ventricular dilatation; Dilated cerebral ventricle; Dilated cerebral ventricles; Dilated ventricles; Enlarged cerebral ventricles; Enlarged ventricles; Enlarged ventricular system; Large cerebral ventricles and cisternae; Ventricular dilatation","HPO_Name__c":"Ventriculomegaly","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:939","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"An abnormal buildup of lactic acid in the body, leading to acidification of the blood and other bodily fluids.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0003128","HPO_Synonym__c":"Hyperlacticacidemia; Increased lactate in body; Lactic acidemia; Lacticacidemia; Lacticacidosis","HPO_Name__c":"Lactic acidosis","HPO_Feature_Type__c":"Lab"}},{"Provided_By__c":"ORPHA:939","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A seizure is an intermittent abnormality of nervous system physiology characterized by a transient occurrence of signs and/or symptoms due to abnormal excessive or synchronous neuronal activity in the brain.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001250","HPO_Synonym__c":"Epileptic seizure; Seizures","HPO_Name__c":"Seizure","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:939","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Underdevelopment of the external ear.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0008551","HPO_Synonym__c":"Bilateral microtia; Hypoplasia of the external ear; Hypoplastic ears; Hypoplastic pinna; Small ears; Small pinnae; Underdeveloped ears","HPO_Name__c":"Microtia","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:939","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"The presence of calcium deposition within the cerebrum.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002514","HPO_Synonym__c":"Abnormal deposits of calcium in the brain","HPO_Name__c":"Cerebral calcification","Feature_System__c":"Nervous System; Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:939","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Head circumference below 2 standard deviations below the mean for age and sex.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000252","HPO_Synonym__c":"Abnormally small cranium; Abnormally small skull; Decreased circumference of cranium; Decreased size of cranium; Decreased size of skull; Reduced head circumference; small cranium; Small head circumference","HPO_Name__c":"Microcephaly","Feature_System__c":"Nervous System; Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:939","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Inclination of the anterior surface of the forehead from the vertical more than two standard deviations above the mean (objective); or apparently excessive posterior sloping of the forehead in a lateral view.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000340","HPO_Synonym__c":"Inclined forehead; Posteriorly sloping forehead; Receding forehead; Sloping forehead","HPO_Name__c":"Sloping forehead","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:939","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Distance between nasal base and midline upper lip vermilion border more than 2 SD above the mean. Alternatively, an apparently increased distance between nasal base and midline upper lip vermilion border.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000343","HPO_Synonym__c":"Elongated philtrum; Increased height of philtrum; Increased length of philtrum; Increased vertical dimension of philtrum; Vertical hyperplasia of philtrum","HPO_Name__c":"Long philtrum","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:939","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0007360","HPO_Synonym__c":"Absent/small cerebellum; Absent/underdeveloped cerebellum; Atrophy/Degeneration affecting the cerebellum; Atrophy/Hypoplasia of the cerebellum; Cerebellar hypoplasia/atrophy","HPO_Name__c":"Aplasia/Hypoplasia of the cerebellum","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:939","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Hypogonadotropic hypogonadism is characterized by reduced function of the gonads (testes in males or ovaries in females) and results from the absence of the gonadal stimulating pituitary hormones: follicle stimulating hormone (FSH) and luteinizing hormone (LH).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000044","HPO_Synonym__c":"Hypogonadotrophic hypogonadism; Low gonadotropins (secondary hypogonadism)","HPO_Name__c":"Hypogonadotropic hypogonadism","Feature_System__c":"Endocrine System","HPO_Feature_Type__c":"Symptom"}}],"tags":{"Cause":["Genetics","Inborn Errors of Metabolism"],"Disease Category":["Genetics","Inborn Errors of Metabolism"],"Specialist":["Genetics","Pediatrics"]},"synonyms":[""]}